How do ensure my Symantec Endpoint Protection (SEP) clients download delta Antivirus/Antispyware definitions after my SEPM is patched to resolve the 2010 definitions issue?
This document explains in detail how to ensure that Symantec Endpoint Protection (SEP) clients that have been configured to update via Internal or Public LiveUpdate (LU) servers during the 2010 Definitions Issue are able to download delta Antivirus and Antispyware definitions once they are reconfigured to download Content Updates from their Symantec Endpoint Protection Manager (SEPM) after the 2010 definitions patch is applied.
For more information on the 2010 definitions issue read Security Content for Symantec Endpoint Protection clients and Symantec Endpoint Protection Managers are dated Dec 31 2009 even when using the latest definitionshttp://service1.symantec.com/support/ent-security.nsf/docid/2010010308571348?Open&seg=ent.
Symantec Endpoint Protection Manager (SEPM) creates delta update packages by comparing a starting version and destination version of two full update packages. The SEPM provides delta packages for any content that meets the following criteria: